BirdAnalyst
BBS Route · Minnesota · BCR 23

Millville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 107 species recorded across 50 survey years, still active.

107Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
50Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
6Observers

Bird Species Found on Minnesota Millville

Top 40 of 107 species by most recent count. Each links to its species trend.

Species recorded on the Millville route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Red-winged BlackbirdIcteridae1302025+56%1970
American RobinTurdidae1172025+139%1970
Brown-headed CowbirdIcteridae482025+2%1971
Indigo BuntingCardinalidae462025+250%1970
Cliff SwallowHirundinidae44202531×1979
DickcisselCardinalidae422025+10%1970
Northern House WrenTroglodytidae382025-6%1971
American CrowCorvidae362025-34%1970
Barn SwallowHirundinidae34202512×1970
Gray CatbirdMimidae342025+42%1970
House SparrowPasseridae302025-88%1972
Mourning DoveColumbidae252025-53%1970
KilldeerCharadriidae232025+133%1970
American GoldfinchFringillidae222025+49%1970
Song SparrowPasserellidae212025-17%1970
Rock PigeonColumbidae202025-32%1970
Common YellowthroatParulidae182025-23%1970
Common GrackleIcteridae172025-84%1970
Blue JayCorvidae162025+30%1970
Chipping SparrowPasserellidae162025+56%1972
American RedstartParulidae142025+175%1971
Northern CardinalCardinalidae132025-14%1970
Eastern Wood-PeweeTyrannidae122025-6%1972
White-breasted NuthatchSittidae122025-6%1972
Yellow WarblerParulidae112025+171%1971
Black-capped ChickadeeParidae112025+180%1971
Field SparrowPasserellidae112025-63%1971
Cedar WaxwingBombycillidae112025+127%1988
Horned LarkAlaudidae92025-37%1970
Rose-breasted GrosbeakCardinalidae82025+0%1970
European StarlingSturnidae72025-84%1970
Northern Rough-winged SwallowHirundinidae72018+208%1970
Eastern MeadowlarkIcteridae72025-59%1971
Tree SwallowHirundinidae62025-8%1970
Yellow-bellied SapsuckerPicidae62025+125%1975
Brewer's BlackbirdIcteridae62025-77%2006
Red-eyed VireoVireonidae52025-48%1972
Baltimore OrioleIcteridae42025+47%1970
Eastern TowheePasserellidae42025-40%1972
Scarlet TanagerCardinalidae42025+17%1989

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.